{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "173906",
    "entityType": "User",
    "nonce": "0xb1b347d6c973dc7ee41ddc655385f1662bbb33521842a95ff3be8ae6b352c4cc",
    "signature": "0x023005f992c66af43778e270d81996a2c9cf2b937abcd208adc703d2a496e3373c39a48b00860219c8d5cc45dcd61eae04b454afc4920635a7a7e6d6399f28941c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}